<!DOCTYPE html>
<html>

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" />
    <meta name="format-detection" content="telephone=no,email=no,date=no,address=no" />
    <title>vue</title>
    <style>
        [v-cloak] {
            display: none;
        }
    </style>
</head>

<body>
    <div id="app" v-cloak>
        <input type="text" v-model="name" /><br />
        {{name}}
    </div>
    <script src="https://cdn.jsdelivr.net/npm/vue@2.6.10/dist/vue.js"></script>
    <script>
        new Vue({
            el: "#app",
            data() {
                return {
                    name: ""
                }
            }
        })
    </script>
</body>

</html>